sigma insights 02/2026: A new phase for the US surplus lines insurance market

Structural tailwinds meet cyclical headwinds

After nearly a decade of rapid growth, there has been a slowdown in the excess & surplus (E&S) lines segment of the US commercial insurance market. This is not a return to past cycles, in our view.

 

Figure 1

Commercial property and liability, DPW growth, quarterly data, y-o-y

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